./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:12:35,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:12:35,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:12:35,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:12:35,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:12:35,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:12:35,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:12:35,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:12:35,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:12:35,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:12:35,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:12:35,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:12:35,895 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:12:35,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:12:35,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:12:35,895 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:12:35,896 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:12:35,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:12:35,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:12:35,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:12:35,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:12:35,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:12:35,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:35,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:12:35,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:12:35,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:12:35,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:12:35,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:12:35,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:12:35,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:12:35,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:12:35,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:12:35,899 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2024-11-13 13:12:36,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:12:36,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:12:36,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:12:36,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:12:36,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:12:36,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i Unable to find full path for "g++" [2024-11-13 13:12:38,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:12:38,607 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:12:38,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-13 13:12:38,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/data/b65d60df4/d8e69cd8142b418d86fc50753e52d3f5/FLAG4ca21dfbb [2024-11-13 13:12:38,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/data/b65d60df4/d8e69cd8142b418d86fc50753e52d3f5 [2024-11-13 13:12:38,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:12:38,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:12:38,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:38,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:12:38,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:12:38,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:38" (1/1) ... [2024-11-13 13:12:38,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3139d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:38, skipping insertion in model container [2024-11-13 13:12:38,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:38" (1/1) ... [2024-11-13 13:12:38,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:12:39,215 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 13:12:39,216 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 13:12:39,217 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 13:12:39,217 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 13:12:39,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:39,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:12:39,371 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 13:12:39,375 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 13:12:39,376 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 13:12:39,376 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 13:12:39,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:39,480 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:12:39,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39 WrapperNode [2024-11-13 13:12:39,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:39,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:39,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:12:39,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:12:39,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,583 INFO L138 Inliner]: procedures = 279, calls = 153, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 405 [2024-11-13 13:12:39,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:39,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:12:39,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:12:39,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:12:39,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:12:39,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:12:39,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:12:39,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:12:39,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:39,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:39,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:12:39,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:12:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:12:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 13:12:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:12:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 13:12:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 13:12:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 13:12:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 13:12:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 13:12:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:12:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:12:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 13:12:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 13:12:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 13:12:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:12:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:12:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:12:39,805 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:12:40,041 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:12:40,044 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:12:41,171 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:12:41,172 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:12:41,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:12:41,237 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-13 13:12:41,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:12:41 BoogieIcfgContainer [2024-11-13 13:12:41,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:12:41,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:12:41,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:12:41,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:12:41,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:12:38" (1/3) ... [2024-11-13 13:12:41,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2fda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:12:41, skipping insertion in model container [2024-11-13 13:12:41,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (2/3) ... [2024-11-13 13:12:41,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2fda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:12:41, skipping insertion in model container [2024-11-13 13:12:41,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:12:41" (3/3) ... [2024-11-13 13:12:41,252 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-11-13 13:12:41,269 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:12:41,271 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_91-arrayloop2_racefree.i that has 2 procedures, 416 locations, 1 initial locations, 11 loop locations, and 19 error locations. [2024-11-13 13:12:41,271 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:12:41,459 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 13:12:41,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 419 places, 441 transitions, 889 flow [2024-11-13 13:12:41,842 INFO L124 PetriNetUnfolderBase]: 27/473 cut-off events. [2024-11-13 13:12:41,845 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:12:41,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 473 events. 27/473 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 957 event pairs, 0 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 288. Up to 4 conditions per place. [2024-11-13 13:12:41,855 INFO L82 GeneralOperation]: Start removeDead. Operand has 419 places, 441 transitions, 889 flow [2024-11-13 13:12:41,865 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 419 places, 441 transitions, 889 flow [2024-11-13 13:12:41,877 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:12:41,895 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38c1386e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:12:41,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-13 13:12:41,935 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:12:41,936 INFO L124 PetriNetUnfolderBase]: 3/153 cut-off events. [2024-11-13 13:12:41,936 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:12:41,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:41,937 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:41,937 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:41,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:41,943 INFO L85 PathProgramCache]: Analyzing trace with hash -854815508, now seen corresponding path program 1 times [2024-11-13 13:12:41,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:41,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643184200] [2024-11-13 13:12:41,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:41,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:43,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:43,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643184200] [2024-11-13 13:12:43,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643184200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:43,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:43,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:12:43,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196822469] [2024-11-13 13:12:43,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:43,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:12:43,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:43,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:12:43,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:12:44,739 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 441 [2024-11-13 13:12:44,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 441 transitions, 889 flow. Second operand has 6 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:44,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:44,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 441 [2024-11-13 13:12:44,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:45,289 INFO L124 PetriNetUnfolderBase]: 319/1635 cut-off events. [2024-11-13 13:12:45,290 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-13 13:12:45,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2325 conditions, 1635 events. 319/1635 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10052 event pairs, 288 based on Foata normal form. 182/1687 useless extension candidates. Maximal degree in co-relation 1972. Up to 674 conditions per place. [2024-11-13 13:12:45,301 INFO L140 encePairwiseOnDemand]: 410/441 looper letters, 80 selfloop transitions, 10 changer transitions 0/418 dead transitions. [2024-11-13 13:12:45,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 418 transitions, 1023 flow [2024-11-13 13:12:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:12:45,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:12:45,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2085 transitions. [2024-11-13 13:12:45,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7879818594104309 [2024-11-13 13:12:45,334 INFO L175 Difference]: Start difference. First operand has 419 places, 441 transitions, 889 flow. Second operand 6 states and 2085 transitions. [2024-11-13 13:12:45,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 418 transitions, 1023 flow [2024-11-13 13:12:45,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 418 transitions, 1023 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:12:45,363 INFO L231 Difference]: Finished difference. Result has 420 places, 418 transitions, 863 flow [2024-11-13 13:12:45,366 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=863, PETRI_PLACES=420, PETRI_TRANSITIONS=418} [2024-11-13 13:12:45,371 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 1 predicate places. [2024-11-13 13:12:45,371 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 418 transitions, 863 flow [2024-11-13 13:12:45,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:45,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:45,376 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:45,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:12:45,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:45,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:45,378 INFO L85 PathProgramCache]: Analyzing trace with hash -2120721333, now seen corresponding path program 1 times [2024-11-13 13:12:45,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:45,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824093259] [2024-11-13 13:12:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:45,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:45,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:45,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824093259] [2024-11-13 13:12:45,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824093259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:45,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:45,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:12:45,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182715236] [2024-11-13 13:12:45,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:45,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:45,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:45,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:45,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:45,679 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 441 [2024-11-13 13:12:45,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 418 transitions, 863 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:45,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:45,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 441 [2024-11-13 13:12:45,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:45,850 INFO L124 PetriNetUnfolderBase]: 15/598 cut-off events. [2024-11-13 13:12:45,851 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-13 13:12:45,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 659 conditions, 598 events. 15/598 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1666 event pairs, 8 based on Foata normal form. 1/555 useless extension candidates. Maximal degree in co-relation 435. Up to 34 conditions per place. [2024-11-13 13:12:45,854 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 15 selfloop transitions, 2 changer transitions 0/419 dead transitions. [2024-11-13 13:12:45,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 419 transitions, 899 flow [2024-11-13 13:12:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:45,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2024-11-13 13:12:45,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9319727891156463 [2024-11-13 13:12:45,861 INFO L175 Difference]: Start difference. First operand has 420 places, 418 transitions, 863 flow. Second operand 3 states and 1233 transitions. [2024-11-13 13:12:45,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 419 transitions, 899 flow [2024-11-13 13:12:45,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 419 transitions, 879 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:12:45,872 INFO L231 Difference]: Finished difference. Result has 418 places, 419 transitions, 855 flow [2024-11-13 13:12:45,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=855, PETRI_PLACES=418, PETRI_TRANSITIONS=419} [2024-11-13 13:12:45,874 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, -1 predicate places. [2024-11-13 13:12:45,874 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 419 transitions, 855 flow [2024-11-13 13:12:45,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:45,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:45,875 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:45,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:12:45,876 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:45,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:45,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1697233134, now seen corresponding path program 1 times [2024-11-13 13:12:45,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:45,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157127365] [2024-11-13 13:12:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:45,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:46,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:46,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157127365] [2024-11-13 13:12:46,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157127365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:46,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:46,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:12:46,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109479628] [2024-11-13 13:12:46,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:46,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:12:46,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:46,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:12:46,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:12:47,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 441 [2024-11-13 13:12:47,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 419 transitions, 855 flow. Second operand has 6 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:47,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:47,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 441 [2024-11-13 13:12:47,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:48,140 INFO L124 PetriNetUnfolderBase]: 320/1757 cut-off events. [2024-11-13 13:12:48,141 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-11-13 13:12:48,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2498 conditions, 1757 events. 320/1757 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10828 event pairs, 288 based on Foata normal form. 0/1623 useless extension candidates. Maximal degree in co-relation 2201. Up to 708 conditions per place. [2024-11-13 13:12:48,150 INFO L140 encePairwiseOnDemand]: 429/441 looper letters, 80 selfloop transitions, 10 changer transitions 0/417 dead transitions. [2024-11-13 13:12:48,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 417 transitions, 1031 flow [2024-11-13 13:12:48,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:12:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:12:48,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2066 transitions. [2024-11-13 13:12:48,157 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.780801209372638 [2024-11-13 13:12:48,158 INFO L175 Difference]: Start difference. First operand has 418 places, 419 transitions, 855 flow. Second operand 6 states and 2066 transitions. [2024-11-13 13:12:48,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 417 transitions, 1031 flow [2024-11-13 13:12:48,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 1029 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:12:48,166 INFO L231 Difference]: Finished difference. Result has 420 places, 417 transitions, 869 flow [2024-11-13 13:12:48,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=849, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=869, PETRI_PLACES=420, PETRI_TRANSITIONS=417} [2024-11-13 13:12:48,168 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 1 predicate places. [2024-11-13 13:12:48,168 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 417 transitions, 869 flow [2024-11-13 13:12:48,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:48,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:48,170 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:48,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:12:48,170 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:48,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:48,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2109399454, now seen corresponding path program 1 times [2024-11-13 13:12:48,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:48,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608166635] [2024-11-13 13:12:48,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:48,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:49,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:49,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608166635] [2024-11-13 13:12:49,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608166635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:49,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:49,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:12:49,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939130422] [2024-11-13 13:12:49,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:49,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:12:49,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:49,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:12:49,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:12:49,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 441 [2024-11-13 13:12:49,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 417 transitions, 869 flow. Second operand has 6 states, 6 states have (on average 330.6666666666667) internal successors, (1984), 6 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:49,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:49,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 441 [2024-11-13 13:12:49,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:50,161 INFO L124 PetriNetUnfolderBase]: 320/1755 cut-off events. [2024-11-13 13:12:50,162 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-13 13:12:50,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2519 conditions, 1755 events. 320/1755 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10810 event pairs, 288 based on Foata normal form. 0/1623 useless extension candidates. Maximal degree in co-relation 2101. Up to 722 conditions per place. [2024-11-13 13:12:50,174 INFO L140 encePairwiseOnDemand]: 435/441 looper letters, 87 selfloop transitions, 5 changer transitions 0/416 dead transitions. [2024-11-13 13:12:50,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 416 transitions, 1051 flow [2024-11-13 13:12:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:12:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:12:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2061 transitions. [2024-11-13 13:12:50,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7789115646258503 [2024-11-13 13:12:50,182 INFO L175 Difference]: Start difference. First operand has 420 places, 417 transitions, 869 flow. Second operand 6 states and 2061 transitions. [2024-11-13 13:12:50,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 416 transitions, 1051 flow [2024-11-13 13:12:50,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 416 transitions, 1031 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:12:50,192 INFO L231 Difference]: Finished difference. Result has 419 places, 416 transitions, 857 flow [2024-11-13 13:12:50,193 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=857, PETRI_PLACES=419, PETRI_TRANSITIONS=416} [2024-11-13 13:12:50,194 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 0 predicate places. [2024-11-13 13:12:50,194 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 416 transitions, 857 flow [2024-11-13 13:12:50,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 330.6666666666667) internal successors, (1984), 6 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:50,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:50,196 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:50,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:12:50,196 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:50,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:50,197 INFO L85 PathProgramCache]: Analyzing trace with hash 750146324, now seen corresponding path program 1 times [2024-11-13 13:12:50,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:50,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093564646] [2024-11-13 13:12:50,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:50,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:50,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:50,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093564646] [2024-11-13 13:12:50,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093564646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:50,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:50,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:12:50,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499753384] [2024-11-13 13:12:50,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:50,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:50,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:50,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:50,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:50,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 441 [2024-11-13 13:12:50,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 416 transitions, 857 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:50,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:50,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 441 [2024-11-13 13:12:50,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:50,560 INFO L124 PetriNetUnfolderBase]: 15/780 cut-off events. [2024-11-13 13:12:50,560 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-13 13:12:50,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 780 events. 15/780 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1627 event pairs, 8 based on Foata normal form. 2/736 useless extension candidates. Maximal degree in co-relation 626. Up to 38 conditions per place. [2024-11-13 13:12:50,563 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 15 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2024-11-13 13:12:50,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 417 transitions, 893 flow [2024-11-13 13:12:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2024-11-13 13:12:50,566 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9319727891156463 [2024-11-13 13:12:50,567 INFO L175 Difference]: Start difference. First operand has 419 places, 416 transitions, 857 flow. Second operand 3 states and 1233 transitions. [2024-11-13 13:12:50,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 417 transitions, 893 flow [2024-11-13 13:12:50,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 417 transitions, 883 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:12:50,575 INFO L231 Difference]: Finished difference. Result has 417 places, 417 transitions, 859 flow [2024-11-13 13:12:50,575 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=859, PETRI_PLACES=417, PETRI_TRANSITIONS=417} [2024-11-13 13:12:50,576 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, -2 predicate places. [2024-11-13 13:12:50,576 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 417 transitions, 859 flow [2024-11-13 13:12:50,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:50,577 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:50,577 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:50,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:12:50,578 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:50,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:50,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1938332093, now seen corresponding path program 1 times [2024-11-13 13:12:50,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:50,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672227310] [2024-11-13 13:12:50,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:50,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:51,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:51,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672227310] [2024-11-13 13:12:51,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672227310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:51,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:51,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:12:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118642410] [2024-11-13 13:12:51,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:51,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:12:51,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:12:51,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:12:52,254 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 441 [2024-11-13 13:12:52,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 417 transitions, 859 flow. Second operand has 6 states, 6 states have (on average 357.5) internal successors, (2145), 6 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:52,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:52,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 441 [2024-11-13 13:12:52,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:52,538 INFO L124 PetriNetUnfolderBase]: 83/1094 cut-off events. [2024-11-13 13:12:52,539 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-13 13:12:52,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1447 conditions, 1094 events. 83/1094 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3650 event pairs, 64 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 882. Up to 311 conditions per place. [2024-11-13 13:12:52,543 INFO L140 encePairwiseOnDemand]: 435/441 looper letters, 62 selfloop transitions, 5 changer transitions 0/416 dead transitions. [2024-11-13 13:12:52,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 416 transitions, 991 flow [2024-11-13 13:12:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:12:52,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:12:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2186 transitions. [2024-11-13 13:12:52,549 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8261526832955405 [2024-11-13 13:12:52,549 INFO L175 Difference]: Start difference. First operand has 417 places, 417 transitions, 859 flow. Second operand 6 states and 2186 transitions. [2024-11-13 13:12:52,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 416 transitions, 991 flow [2024-11-13 13:12:52,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 416 transitions, 989 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:12:52,560 INFO L231 Difference]: Finished difference. Result has 420 places, 416 transitions, 865 flow [2024-11-13 13:12:52,561 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=865, PETRI_PLACES=420, PETRI_TRANSITIONS=416} [2024-11-13 13:12:52,562 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 1 predicate places. [2024-11-13 13:12:52,563 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 416 transitions, 865 flow [2024-11-13 13:12:52,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 357.5) internal successors, (2145), 6 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:52,564 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:52,564 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:52,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:12:52,565 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:52,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:52,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1444469739, now seen corresponding path program 1 times [2024-11-13 13:12:52,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:52,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395375659] [2024-11-13 13:12:52,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:52,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:53,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:53,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395375659] [2024-11-13 13:12:53,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395375659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:53,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:53,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:12:53,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26488546] [2024-11-13 13:12:53,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:53,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:12:53,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:53,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:12:53,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:12:54,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 441 [2024-11-13 13:12:54,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 416 transitions, 865 flow. Second operand has 6 states, 6 states have (on average 333.3333333333333) internal successors, (2000), 6 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:54,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:54,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 441 [2024-11-13 13:12:54,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:54,769 INFO L124 PetriNetUnfolderBase]: 320/1935 cut-off events. [2024-11-13 13:12:54,769 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-13 13:12:54,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2784 conditions, 1935 events. 320/1935 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10747 event pairs, 288 based on Foata normal form. 0/1803 useless extension candidates. Maximal degree in co-relation 2245. Up to 788 conditions per place. [2024-11-13 13:12:54,778 INFO L140 encePairwiseOnDemand]: 435/441 looper letters, 87 selfloop transitions, 5 changer transitions 0/415 dead transitions. [2024-11-13 13:12:54,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 415 transitions, 1047 flow [2024-11-13 13:12:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:12:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:12:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2061 transitions. [2024-11-13 13:12:54,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7789115646258503 [2024-11-13 13:12:54,785 INFO L175 Difference]: Start difference. First operand has 420 places, 416 transitions, 865 flow. Second operand 6 states and 2061 transitions. [2024-11-13 13:12:54,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 415 transitions, 1047 flow [2024-11-13 13:12:54,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 415 transitions, 1037 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:12:54,795 INFO L231 Difference]: Finished difference. Result has 419 places, 415 transitions, 863 flow [2024-11-13 13:12:54,795 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=863, PETRI_PLACES=419, PETRI_TRANSITIONS=415} [2024-11-13 13:12:54,796 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 0 predicate places. [2024-11-13 13:12:54,796 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 415 transitions, 863 flow [2024-11-13 13:12:54,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 333.3333333333333) internal successors, (2000), 6 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:54,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:54,798 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:54,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:12:54,798 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:54,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:54,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1476096982, now seen corresponding path program 1 times [2024-11-13 13:12:54,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:54,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841723095] [2024-11-13 13:12:54,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:54,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:55,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:55,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841723095] [2024-11-13 13:12:55,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841723095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:55,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:55,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:12:55,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716766325] [2024-11-13 13:12:55,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:55,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:12:55,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:55,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:12:55,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:12:56,256 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 441 [2024-11-13 13:12:56,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 415 transitions, 863 flow. Second operand has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:56,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:56,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 441 [2024-11-13 13:12:56,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:56,655 INFO L124 PetriNetUnfolderBase]: 320/1931 cut-off events. [2024-11-13 13:12:56,656 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-13 13:12:56,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2764 conditions, 1931 events. 320/1931 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10739 event pairs, 288 based on Foata normal form. 0/1803 useless extension candidates. Maximal degree in co-relation 2261. Up to 772 conditions per place. [2024-11-13 13:12:56,665 INFO L140 encePairwiseOnDemand]: 435/441 looper letters, 83 selfloop transitions, 5 changer transitions 0/414 dead transitions. [2024-11-13 13:12:56,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 414 transitions, 1037 flow [2024-11-13 13:12:56,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:12:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:12:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2081 transitions. [2024-11-13 13:12:56,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7864701436130007 [2024-11-13 13:12:56,671 INFO L175 Difference]: Start difference. First operand has 419 places, 415 transitions, 863 flow. Second operand 6 states and 2081 transitions. [2024-11-13 13:12:56,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 414 transitions, 1037 flow [2024-11-13 13:12:56,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 414 transitions, 1027 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:12:56,679 INFO L231 Difference]: Finished difference. Result has 418 places, 414 transitions, 861 flow [2024-11-13 13:12:56,680 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=851, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=861, PETRI_PLACES=418, PETRI_TRANSITIONS=414} [2024-11-13 13:12:56,680 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, -1 predicate places. [2024-11-13 13:12:56,680 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 414 transitions, 861 flow [2024-11-13 13:12:56,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:56,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:56,682 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:56,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:12:56,682 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:56,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:56,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1933791363, now seen corresponding path program 1 times [2024-11-13 13:12:56,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:56,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847128115] [2024-11-13 13:12:56,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:56,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:57,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:57,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847128115] [2024-11-13 13:12:57,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847128115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:57,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:57,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:12:57,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659343531] [2024-11-13 13:12:57,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:57,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:12:57,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:57,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:12:57,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:12:58,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 441 [2024-11-13 13:12:58,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 414 transitions, 861 flow. Second operand has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:58,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:58,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 441 [2024-11-13 13:12:58,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:58,683 INFO L124 PetriNetUnfolderBase]: 320/1927 cut-off events. [2024-11-13 13:12:58,684 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-13 13:12:58,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2760 conditions, 1927 events. 320/1927 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10729 event pairs, 288 based on Foata normal form. 0/1803 useless extension candidates. Maximal degree in co-relation 2276. Up to 772 conditions per place. [2024-11-13 13:12:58,692 INFO L140 encePairwiseOnDemand]: 435/441 looper letters, 83 selfloop transitions, 5 changer transitions 0/413 dead transitions. [2024-11-13 13:12:58,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 413 transitions, 1035 flow [2024-11-13 13:12:58,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:12:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:12:58,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2081 transitions. [2024-11-13 13:12:58,697 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7864701436130007 [2024-11-13 13:12:58,698 INFO L175 Difference]: Start difference. First operand has 418 places, 414 transitions, 861 flow. Second operand 6 states and 2081 transitions. [2024-11-13 13:12:58,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 413 transitions, 1035 flow [2024-11-13 13:12:58,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 413 transitions, 1025 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:12:58,706 INFO L231 Difference]: Finished difference. Result has 417 places, 413 transitions, 859 flow [2024-11-13 13:12:58,707 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=849, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=859, PETRI_PLACES=417, PETRI_TRANSITIONS=413} [2024-11-13 13:12:58,708 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, -2 predicate places. [2024-11-13 13:12:58,708 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 413 transitions, 859 flow [2024-11-13 13:12:58,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:58,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:58,710 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:58,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:12:58,710 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:12:58,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:58,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1150601908, now seen corresponding path program 1 times [2024-11-13 13:12:58,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:58,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576216444] [2024-11-13 13:12:58,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:59,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:59,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576216444] [2024-11-13 13:12:59,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576216444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:59,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:59,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:12:59,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691559235] [2024-11-13 13:12:59,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:59,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:12:59,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:59,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:12:59,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:12:59,940 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 441 [2024-11-13 13:12:59,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 413 transitions, 859 flow. Second operand has 6 states, 6 states have (on average 334.5) internal successors, (2007), 6 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:59,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:59,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 441 [2024-11-13 13:12:59,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:00,481 INFO L124 PetriNetUnfolderBase]: 320/1923 cut-off events. [2024-11-13 13:13:00,481 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-13 13:13:00,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2776 conditions, 1923 events. 320/1923 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10670 event pairs, 288 based on Foata normal form. 0/1803 useless extension candidates. Maximal degree in co-relation 2289. Up to 792 conditions per place. [2024-11-13 13:13:00,501 INFO L140 encePairwiseOnDemand]: 435/441 looper letters, 88 selfloop transitions, 5 changer transitions 0/412 dead transitions. [2024-11-13 13:13:00,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 412 transitions, 1043 flow [2024-11-13 13:13:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:13:00,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:13:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2056 transitions. [2024-11-13 13:13:00,507 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7770219198790628 [2024-11-13 13:13:00,507 INFO L175 Difference]: Start difference. First operand has 417 places, 413 transitions, 859 flow. Second operand 6 states and 2056 transitions. [2024-11-13 13:13:00,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 412 transitions, 1043 flow [2024-11-13 13:13:00,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 412 transitions, 1033 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:13:00,515 INFO L231 Difference]: Finished difference. Result has 416 places, 412 transitions, 857 flow [2024-11-13 13:13:00,516 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=857, PETRI_PLACES=416, PETRI_TRANSITIONS=412} [2024-11-13 13:13:00,518 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, -3 predicate places. [2024-11-13 13:13:00,518 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 412 transitions, 857 flow [2024-11-13 13:13:00,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 334.5) internal successors, (2007), 6 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:00,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:00,520 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:00,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:13:00,521 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:13:00,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:00,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1910158981, now seen corresponding path program 1 times [2024-11-13 13:13:00,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:00,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557348559] [2024-11-13 13:13:00,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:00,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:00,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:00,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557348559] [2024-11-13 13:13:00,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557348559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:00,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941551923] [2024-11-13 13:13:00,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:00,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:00,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:00,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:13:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:01,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:13:01,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:01,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:01,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:01,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941551923] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:01,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:13:01,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 13:13:01,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698456353] [2024-11-13 13:13:01,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:01,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:13:01,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:01,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:13:01,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:13:01,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 441 [2024-11-13 13:13:01,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 412 transitions, 857 flow. Second operand has 10 states, 10 states have (on average 403.8) internal successors, (4038), 10 states have internal predecessors, (4038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:01,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:01,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 441 [2024-11-13 13:13:01,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:01,991 INFO L124 PetriNetUnfolderBase]: 15/944 cut-off events. [2024-11-13 13:13:01,992 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-13 13:13:01,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 944 events. 15/944 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1037 event pairs, 8 based on Foata normal form. 4/922 useless extension candidates. Maximal degree in co-relation 832. Up to 38 conditions per place. [2024-11-13 13:13:01,994 INFO L140 encePairwiseOnDemand]: 435/441 looper letters, 19 selfloop transitions, 9 changer transitions 0/420 dead transitions. [2024-11-13 13:13:01,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 420 transitions, 931 flow [2024-11-13 13:13:01,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:13:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-13 13:13:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3648 transitions. [2024-11-13 13:13:02,003 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9191232048374905 [2024-11-13 13:13:02,003 INFO L175 Difference]: Start difference. First operand has 416 places, 412 transitions, 857 flow. Second operand 9 states and 3648 transitions. [2024-11-13 13:13:02,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 420 transitions, 931 flow [2024-11-13 13:13:02,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 420 transitions, 921 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:13:02,011 INFO L231 Difference]: Finished difference. Result has 422 places, 418 transitions, 897 flow [2024-11-13 13:13:02,012 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=897, PETRI_PLACES=422, PETRI_TRANSITIONS=418} [2024-11-13 13:13:02,013 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 3 predicate places. [2024-11-13 13:13:02,013 INFO L471 AbstractCegarLoop]: Abstraction has has 422 places, 418 transitions, 897 flow [2024-11-13 13:13:02,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 403.8) internal successors, (4038), 10 states have internal predecessors, (4038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:02,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:02,015 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:02,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:13:02,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 13:13:02,216 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:13:02,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:02,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1216236023, now seen corresponding path program 2 times [2024-11-13 13:13:02,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:02,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429975141] [2024-11-13 13:13:02,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:02,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-13 13:13:02,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:02,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429975141] [2024-11-13 13:13:02,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429975141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:02,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153921147] [2024-11-13 13:13:02,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:13:02,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:02,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:02,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:02,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:13:03,230 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:13:03,230 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:13:03,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 13:13:03,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:03,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 13:13:03,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 13:13:03,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 13:13:03,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 13:13:03,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 13:13:03,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-13 13:13:03,588 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-13 13:13:03,588 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:13:03,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153921147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:03,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:13:03,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-11-13 13:13:03,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7075509] [2024-11-13 13:13:03,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:03,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:13:03,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:03,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:13:03,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:13:04,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 441 [2024-11-13 13:13:04,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 418 transitions, 897 flow. Second operand has 8 states, 8 states have (on average 330.125) internal successors, (2641), 8 states have internal predecessors, (2641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:04,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:04,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 441 [2024-11-13 13:13:04,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:05,510 INFO L124 PetriNetUnfolderBase]: 632/3304 cut-off events. [2024-11-13 13:13:05,510 INFO L125 PetriNetUnfolderBase]: For 16/32 co-relation queries the response was YES. [2024-11-13 13:13:05,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4819 conditions, 3304 events. 632/3304 cut-off events. For 16/32 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 20733 event pairs, 504 based on Foata normal form. 3/3052 useless extension candidates. Maximal degree in co-relation 4122. Up to 1044 conditions per place. [2024-11-13 13:13:05,525 INFO L140 encePairwiseOnDemand]: 430/441 looper letters, 168 selfloop transitions, 10 changer transitions 0/499 dead transitions. [2024-11-13 13:13:05,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 499 transitions, 1415 flow [2024-11-13 13:13:05,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:13:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-13 13:13:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2772 transitions. [2024-11-13 13:13:05,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7857142857142857 [2024-11-13 13:13:05,532 INFO L175 Difference]: Start difference. First operand has 422 places, 418 transitions, 897 flow. Second operand 8 states and 2772 transitions. [2024-11-13 13:13:05,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 499 transitions, 1415 flow [2024-11-13 13:13:05,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 499 transitions, 1409 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-13 13:13:05,541 INFO L231 Difference]: Finished difference. Result has 433 places, 424 transitions, 950 flow [2024-11-13 13:13:05,541 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=891, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=950, PETRI_PLACES=433, PETRI_TRANSITIONS=424} [2024-11-13 13:13:05,543 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 14 predicate places. [2024-11-13 13:13:05,544 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 424 transitions, 950 flow [2024-11-13 13:13:05,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 330.125) internal successors, (2641), 8 states have internal predecessors, (2641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:05,546 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:05,547 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:05,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:13:05,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 13:13:05,747 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:13:05,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:05,748 INFO L85 PathProgramCache]: Analyzing trace with hash 54288945, now seen corresponding path program 1 times [2024-11-13 13:13:05,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:05,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191882335] [2024-11-13 13:13:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:05,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-13 13:13:06,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:06,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191882335] [2024-11-13 13:13:06,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191882335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:06,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929857342] [2024-11-13 13:13:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:06,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:06,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:06,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:06,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:13:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:06,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:13:06,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 13:13:07,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 13:13:07,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929857342] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:07,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:13:07,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-13 13:13:07,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930199537] [2024-11-13 13:13:07,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:07,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 13:13:07,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:07,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 13:13:07,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:13:08,139 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 441 [2024-11-13 13:13:08,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 424 transitions, 950 flow. Second operand has 19 states, 19 states have (on average 398.57894736842104) internal successors, (7573), 19 states have internal predecessors, (7573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:08,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:08,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 441 [2024-11-13 13:13:08,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:10,639 INFO L124 PetriNetUnfolderBase]: 24/2448 cut-off events. [2024-11-13 13:13:10,640 INFO L125 PetriNetUnfolderBase]: For 84/87 co-relation queries the response was YES. [2024-11-13 13:13:10,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2787 conditions, 2448 events. 24/2448 cut-off events. For 84/87 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1827 event pairs, 9 based on Foata normal form. 13/2424 useless extension candidates. Maximal degree in co-relation 2375. Up to 52 conditions per place. [2024-11-13 13:13:10,652 INFO L140 encePairwiseOnDemand]: 430/441 looper letters, 51 selfloop transitions, 68 changer transitions 0/510 dead transitions. [2024-11-13 13:13:10,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 510 transitions, 1598 flow [2024-11-13 13:13:10,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 13:13:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-13 13:13:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 25080 transitions. [2024-11-13 13:13:10,707 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9027102904653925 [2024-11-13 13:13:10,707 INFO L175 Difference]: Start difference. First operand has 433 places, 424 transitions, 950 flow. Second operand 63 states and 25080 transitions. [2024-11-13 13:13:10,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 510 transitions, 1598 flow [2024-11-13 13:13:10,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 510 transitions, 1591 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:13:10,721 INFO L231 Difference]: Finished difference. Result has 509 places, 486 transitions, 1463 flow [2024-11-13 13:13:10,722 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=943, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1463, PETRI_PLACES=509, PETRI_TRANSITIONS=486} [2024-11-13 13:13:10,723 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 90 predicate places. [2024-11-13 13:13:10,724 INFO L471 AbstractCegarLoop]: Abstraction has has 509 places, 486 transitions, 1463 flow [2024-11-13 13:13:10,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 398.57894736842104) internal successors, (7573), 19 states have internal predecessors, (7573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:10,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:10,730 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:10,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:13:10,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 13:13:10,934 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:13:10,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:10,935 INFO L85 PathProgramCache]: Analyzing trace with hash -84284749, now seen corresponding path program 2 times [2024-11-13 13:13:10,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:10,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714878924] [2024-11-13 13:13:10,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:10,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2024-11-13 13:13:15,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714878924] [2024-11-13 13:13:15,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714878924] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35580307] [2024-11-13 13:13:15,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:13:15,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:15,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:15,265 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:15,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:13:16,136 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:13:16,137 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:13:16,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:13:16,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:16,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-13 13:13:16,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-13 13:13:16,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 13:13:16,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-13 13:13:16,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 13:13:16,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-13 13:13:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8255 trivial. 0 not checked. [2024-11-13 13:13:16,441 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:13:16,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35580307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:16,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:13:16,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-13 13:13:16,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142185452] [2024-11-13 13:13:16,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:16,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:13:16,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:16,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:13:16,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:13:17,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 441 [2024-11-13 13:13:17,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 486 transitions, 1463 flow. Second operand has 6 states, 6 states have (on average 334.3333333333333) internal successors, (2006), 6 states have internal predecessors, (2006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:17,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:17,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 441 [2024-11-13 13:13:17,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:20,463 INFO L124 PetriNetUnfolderBase]: 735/4822 cut-off events. [2024-11-13 13:13:20,463 INFO L125 PetriNetUnfolderBase]: For 679/697 co-relation queries the response was YES. [2024-11-13 13:13:20,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7720 conditions, 4822 events. 735/4822 cut-off events. For 679/697 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 21859 event pairs, 290 based on Foata normal form. 43/4658 useless extension candidates. Maximal degree in co-relation 5573. Up to 1913 conditions per place. [2024-11-13 13:13:20,491 INFO L140 encePairwiseOnDemand]: 406/441 looper letters, 127 selfloop transitions, 123 changer transitions 0/634 dead transitions. [2024-11-13 13:13:20,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 634 transitions, 2273 flow [2024-11-13 13:13:20,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:13:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:13:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2196 transitions. [2024-11-13 13:13:20,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8299319727891157 [2024-11-13 13:13:20,495 INFO L175 Difference]: Start difference. First operand has 509 places, 486 transitions, 1463 flow. Second operand 6 states and 2196 transitions. [2024-11-13 13:13:20,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 634 transitions, 2273 flow [2024-11-13 13:13:20,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 634 transitions, 2197 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-13 13:13:20,515 INFO L231 Difference]: Finished difference. Result has 512 places, 602 transitions, 2191 flow [2024-11-13 13:13:20,516 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=1387, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2191, PETRI_PLACES=512, PETRI_TRANSITIONS=602} [2024-11-13 13:13:20,517 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 93 predicate places. [2024-11-13 13:13:20,517 INFO L471 AbstractCegarLoop]: Abstraction has has 512 places, 602 transitions, 2191 flow [2024-11-13 13:13:20,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 334.3333333333333) internal successors, (2006), 6 states have internal predecessors, (2006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:20,518 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:20,519 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:20,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 13:13:20,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 13:13:20,724 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:13:20,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1534286290, now seen corresponding path program 1 times [2024-11-13 13:13:20,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:20,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410030707] [2024-11-13 13:13:20,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:20,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-13 13:13:22,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:22,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410030707] [2024-11-13 13:13:22,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410030707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:22,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986052882] [2024-11-13 13:13:22,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:22,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:22,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:22,691 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:22,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:13:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:24,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 5762 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:13:24,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-13 13:13:25,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-13 13:13:26,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986052882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:26,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:13:26,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-11-13 13:13:26,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088602434] [2024-11-13 13:13:26,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:26,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-13 13:13:26,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:26,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-13 13:13:26,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 13:13:27,123 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 441 [2024-11-13 13:13:27,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 602 transitions, 2191 flow. Second operand has 35 states, 35 states have (on average 398.51428571428573) internal successors, (13948), 35 states have internal predecessors, (13948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:27,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:27,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 441 [2024-11-13 13:13:27,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:13:31,748 INFO L124 PetriNetUnfolderBase]: 301/5782 cut-off events. [2024-11-13 13:13:31,749 INFO L125 PetriNetUnfolderBase]: For 3695/3695 co-relation queries the response was YES. [2024-11-13 13:13:31,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7974 conditions, 5782 events. 301/5782 cut-off events. For 3695/3695 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10714 event pairs, 0 based on Foata normal form. 33/5711 useless extension candidates. Maximal degree in co-relation 5028. Up to 370 conditions per place. [2024-11-13 13:13:31,762 INFO L140 encePairwiseOnDemand]: 430/441 looper letters, 73 selfloop transitions, 140 changer transitions 0/704 dead transitions. [2024-11-13 13:13:31,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 704 transitions, 3378 flow [2024-11-13 13:13:31,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 13:13:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2024-11-13 13:13:31,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 19515 transitions. [2024-11-13 13:13:31,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9030959322504511 [2024-11-13 13:13:31,774 INFO L175 Difference]: Start difference. First operand has 512 places, 602 transitions, 2191 flow. Second operand 49 states and 19515 transitions. [2024-11-13 13:13:31,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 704 transitions, 3378 flow [2024-11-13 13:13:31,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 704 transitions, 3366 flow, removed 6 selfloop flow, removed 0 redundant places. [2024-11-13 13:13:31,810 INFO L231 Difference]: Finished difference. Result has 547 places, 654 transitions, 3013 flow [2024-11-13 13:13:31,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=3013, PETRI_PLACES=547, PETRI_TRANSITIONS=654} [2024-11-13 13:13:31,812 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 128 predicate places. [2024-11-13 13:13:31,812 INFO L471 AbstractCegarLoop]: Abstraction has has 547 places, 654 transitions, 3013 flow [2024-11-13 13:13:31,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 398.51428571428573) internal successors, (13948), 35 states have internal predecessors, (13948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:31,816 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:13:31,817 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:31,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:13:32,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 13:13:32,018 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:13:32,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:32,018 INFO L85 PathProgramCache]: Analyzing trace with hash -385525933, now seen corresponding path program 1 times [2024-11-13 13:13:32,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:32,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363230716] [2024-11-13 13:13:32,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:32,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-13 13:13:49,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:49,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363230716] [2024-11-13 13:13:49,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363230716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:49,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378446736] [2024-11-13 13:13:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:49,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:49,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:49,030 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:49,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:13:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:53,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 11669 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 13:13:53,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:55,478 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-13 13:13:55,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-13 13:13:58,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378446736] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:58,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:13:58,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-13 13:13:58,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693848216] [2024-11-13 13:13:58,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:58,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-13 13:13:58,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:58,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-13 13:13:58,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 13:13:58,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 441 [2024-11-13 13:13:58,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 654 transitions, 3013 flow. Second operand has 63 states, 63 states have (on average 404.1111111111111) internal successors, (25459), 63 states have internal predecessors, (25459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:58,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:13:58,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 441 [2024-11-13 13:13:58,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:14:13,984 INFO L124 PetriNetUnfolderBase]: 279/9602 cut-off events. [2024-11-13 13:14:13,984 INFO L125 PetriNetUnfolderBase]: For 13777/13802 co-relation queries the response was YES. [2024-11-13 13:14:14,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12710 conditions, 9602 events. 279/9602 cut-off events. For 13777/13802 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8902 event pairs, 0 based on Foata normal form. 45/9562 useless extension candidates. Maximal degree in co-relation 10243. Up to 346 conditions per place. [2024-11-13 13:14:14,015 INFO L140 encePairwiseOnDemand]: 435/441 looper letters, 94 selfloop transitions, 270 changer transitions 0/860 dead transitions. [2024-11-13 13:14:14,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 860 transitions, 5927 flow [2024-11-13 13:14:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-13 13:14:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-13 13:14:14,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 36329 transitions. [2024-11-13 13:14:14,047 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9153187200806249 [2024-11-13 13:14:14,047 INFO L175 Difference]: Start difference. First operand has 547 places, 654 transitions, 3013 flow. Second operand 90 states and 36329 transitions. [2024-11-13 13:14:14,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 860 transitions, 5927 flow [2024-11-13 13:14:14,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 860 transitions, 5811 flow, removed 0 selfloop flow, removed 21 redundant places. [2024-11-13 13:14:14,111 INFO L231 Difference]: Finished difference. Result has 631 places, 792 transitions, 4889 flow [2024-11-13 13:14:14,112 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=2897, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=654, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4889, PETRI_PLACES=631, PETRI_TRANSITIONS=792} [2024-11-13 13:14:14,113 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 212 predicate places. [2024-11-13 13:14:14,113 INFO L471 AbstractCegarLoop]: Abstraction has has 631 places, 792 transitions, 4889 flow [2024-11-13 13:14:14,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 404.1111111111111) internal successors, (25459), 63 states have internal predecessors, (25459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:14,120 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:14:14,122 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:14,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 13:14:14,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 13:14:14,323 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:14:14,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,325 INFO L85 PathProgramCache]: Analyzing trace with hash 210882483, now seen corresponding path program 2 times [2024-11-13 13:14:14,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086200181] [2024-11-13 13:14:14,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 159462 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78371 trivial. 0 not checked. [2024-11-13 13:14:36,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:36,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086200181] [2024-11-13 13:14:36,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086200181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:14:36,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044819888] [2024-11-13 13:14:36,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:14:36,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:14:36,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:14:36,190 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:14:36,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:14:42,558 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:14:42,558 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:14:42,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 22709 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:14:42,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:14:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 159462 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78371 trivial. 0 not checked. [2024-11-13 13:14:50,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:14:59,230 INFO L134 CoverageAnalysis]: Checked inductivity of 159462 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78371 trivial. 0 not checked. [2024-11-13 13:14:59,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044819888] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:14:59,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:14:59,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-13 13:14:59,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997557627] [2024-11-13 13:14:59,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:14:59,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:14:59,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:59,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:14:59,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:14:59,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 441 [2024-11-13 13:14:59,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 792 transitions, 4889 flow. Second operand has 14 states, 14 states have (on average 403.92857142857144) internal successors, (5655), 14 states have internal predecessors, (5655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:59,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:14:59,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 441 [2024-11-13 13:14:59,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:15:24,928 INFO L124 PetriNetUnfolderBase]: 281/15064 cut-off events. [2024-11-13 13:15:24,928 INFO L125 PetriNetUnfolderBase]: For 6261/6286 co-relation queries the response was YES. [2024-11-13 13:15:24,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19456 conditions, 15064 events. 281/15064 cut-off events. For 6261/6286 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 8110 event pairs, 0 based on Foata normal form. 3/14982 useless extension candidates. Maximal degree in co-relation 16976. Up to 346 conditions per place. [2024-11-13 13:15:24,974 INFO L140 encePairwiseOnDemand]: 435/441 looper letters, 19 selfloop transitions, 15 changer transitions 0/805 dead transitions. [2024-11-13 13:15:24,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 645 places, 805 transitions, 5003 flow [2024-11-13 13:15:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:15:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-13 13:15:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 6067 transitions. [2024-11-13 13:15:24,981 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9171579743008315 [2024-11-13 13:15:24,981 INFO L175 Difference]: Start difference. First operand has 631 places, 792 transitions, 4889 flow. Second operand 15 states and 6067 transitions. [2024-11-13 13:15:24,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 645 places, 805 transitions, 5003 flow [2024-11-13 13:15:25,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 805 transitions, 4655 flow, removed 48 selfloop flow, removed 42 redundant places. [2024-11-13 13:15:25,075 INFO L231 Difference]: Finished difference. Result has 607 places, 801 transitions, 4631 flow [2024-11-13 13:15:25,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=4541, PETRI_DIFFERENCE_MINUEND_PLACES=589, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=792, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=783, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4631, PETRI_PLACES=607, PETRI_TRANSITIONS=801} [2024-11-13 13:15:25,076 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, 188 predicate places. [2024-11-13 13:15:25,077 INFO L471 AbstractCegarLoop]: Abstraction has has 607 places, 801 transitions, 4631 flow [2024-11-13 13:15:25,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 403.92857142857144) internal successors, (5655), 14 states have internal predecessors, (5655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:15:25,079 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:15:25,083 INFO L204 CegarLoopForPetriNet]: trace histogram [150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:15:25,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 13:15:25,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edd01191-b968-4511-80cb-5fba08bfcddf/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 13:15:25,284 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-13 13:15:25,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:25,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1367873832, now seen corresponding path program 3 times [2024-11-13 13:15:25,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:25,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789183491] [2024-11-13 13:15:25,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:25,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat